熔接fusion welding 压接pressure welding 焊接过程welding process 焊接技术welding technique 焊接工艺welding technology/procedure 焊接操作welding operation 焊接顺序welding sequence 焊接方向direction of welding 焊接位置welding position 熔敷顺序build-up sequence deposition sequence 焊缝倾角weld slope/inclination of weld axis 焊缝转角weld rotation/angle of rotation 平焊位置flat position of welding 横焊位置horizontal position of welding 立焊位置vertical position of welding 仰焊位置overhead position of welding 平焊downhand welding/flat position welding 横焊horizontal position welding 立焊vertical position welding 仰焊overhead position welding 全位置焊all position welding:熔焊时,焊件接逢所处空间位置包括平焊、横焊、仰焊等位置所进行的焊接。如水平固定管所进行的环缝焊接 向下立焊vertical down welding/downward welding in the vertical position 向上立焊vertical up welding/upward welding in the vertical position 倾斜焊inclined position welding 上坡焊upward welding in the inclined position 下坡焊downward welding in the inclined position 对接焊butt welding 角焊fillet welding 搭接焊lap welding 船形焊fillet welding in the downhand position/fillet welding in the flat position 平角焊horizontal fillet welding 立角焊fillet welding in the vertical position 仰角焊fillet welding in the overhead position 坡口焊groove welding I 形坡口对接焊square butt welding 喇叭形坡口焊 flare groove welding 卷边焊flanged edge welding 纵缝焊接welding of longitudinal seam 横缝焊接welding of transverse seam 环缝焊接girth welding/ circumferential 螺旋缝焊接welding of spiral seam/welding of helical seam 环缝对接焊butt welding of circumferential seam 定位焊tack welding 单面焊welding by one side 双面焊welding by both sides 单道焊single pass welding/single run welding 多道焊multi-pass welding单层焊single layer welding 多层焊multi-layer...